open-keychain/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java

670 lines
27 KiB
Java

/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
import org.sufficientlysecure.keychain.operations.results.SingletonResult;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
import org.sufficientlysecure.keychain.service.PassphraseCacheService;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyChange;
import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
import org.sufficientlysecure.keychain.ui.adapter.SubkeysAddedAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAddedAdapter;
import org.sufficientlysecure.keychain.ui.dialog.*;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Passphrase;
public class EditKeyFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
public static final String ARG_SAVE_KEYRING_PARCEL = "save_keyring_parcel";
public static final int REQUEST_CODE_PASSPHRASE = 0x00008001;
private ListView mUserIdsList;
private ListView mSubkeysList;
private ListView mUserIdsAddedList;
private ListView mSubkeysAddedList;
private View mChangePassphrase;
private View mAddUserId;
private View mAddSubkey;
private static final int LOADER_ID_USER_IDS = 0;
private static final int LOADER_ID_SUBKEYS = 1;
// cursor adapter
private UserIdsAdapter mUserIdsAdapter;
private SubkeysAdapter mSubkeysAdapter;
// array adapter
private UserIdsAddedAdapter mUserIdsAddedAdapter;
private SubkeysAddedAdapter mSubkeysAddedAdapter;
private Uri mDataUri;
private SaveKeyringParcel mSaveKeyringParcel;
private String mPrimaryUserId;
private Passphrase mCurrentPassphrase;
/**
* Creates new instance of this fragment
*/
public static EditKeyFragment newInstance(Uri dataUri) {
EditKeyFragment frag = new EditKeyFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DATA_URI, dataUri);
frag.setArguments(args);
return frag;
}
public static EditKeyFragment newInstance(SaveKeyringParcel saveKeyringParcel) {
EditKeyFragment frag = new EditKeyFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_SAVE_KEYRING_PARCEL, saveKeyringParcel);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.edit_key_fragment, getContainer());
mUserIdsList = (ListView) view.findViewById(R.id.edit_key_user_ids);
mSubkeysList = (ListView) view.findViewById(R.id.edit_key_keys);
mUserIdsAddedList = (ListView) view.findViewById(R.id.edit_key_user_ids_added);
mSubkeysAddedList = (ListView) view.findViewById(R.id.edit_key_subkeys_added);
mChangePassphrase = view.findViewById(R.id.edit_key_action_change_passphrase);
mAddUserId = view.findViewById(R.id.edit_key_action_add_user_id);
mAddSubkey = view.findViewById(R.id.edit_key_action_add_key);
return root;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
((EditKeyActivity) getActivity()).setFullScreenDialogDoneClose(
R.string.btn_save,
new OnClickListener() {
@Override
public void onClick(View v) {
// if we are working on an Uri, save directly
if (mDataUri == null) {
returnKeyringParcel();
} else {
saveInDatabase(mCurrentPassphrase);
}
}
}, new OnClickListener() {
@Override
public void onClick(View v) {
getActivity().setResult(Activity.RESULT_CANCELED);
getActivity().finish();
}
});
Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
SaveKeyringParcel saveKeyringParcel = getArguments().getParcelable(ARG_SAVE_KEYRING_PARCEL);
if (dataUri == null && saveKeyringParcel == null) {
Log.e(Constants.TAG, "Either a key Uri or ARG_SAVE_KEYRING_PARCEL is required!");
getActivity().finish();
return;
}
initView();
if (dataUri != null) {
loadData(dataUri);
} else {
loadSaveKeyringParcel(saveKeyringParcel);
}
}
private void loadSaveKeyringParcel(SaveKeyringParcel saveKeyringParcel) {
mSaveKeyringParcel = saveKeyringParcel;
mPrimaryUserId = saveKeyringParcel.mChangePrimaryUserId;
if (saveKeyringParcel.mNewUnlock != null) {
mCurrentPassphrase = saveKeyringParcel.mNewUnlock.mNewPassphrase;
}
mUserIdsAddedAdapter = new UserIdsAddedAdapter(getActivity(), mSaveKeyringParcel.mAddUserIds, true);
mUserIdsAddedList.setAdapter(mUserIdsAddedAdapter);
mSubkeysAddedAdapter = new SubkeysAddedAdapter(getActivity(), mSaveKeyringParcel.mAddSubKeys, true);
mSubkeysAddedList.setAdapter(mSubkeysAddedAdapter);
// show directly
setContentShown(true);
}
private void loadData(Uri dataUri) {
mDataUri = dataUri;
Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
// load the secret key ring. we do verify here that the passphrase is correct, so cached won't do
try {
Uri secretUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
CachedPublicKeyRing keyRing =
new ProviderHelper(getActivity()).getCachedPublicKeyRing(secretUri);
long masterKeyId = keyRing.getMasterKeyId();
// check if this is a master secret key we can work with
switch (keyRing.getSecretKeyType(masterKeyId)) {
case GNU_DUMMY:
finishWithError(LogType.MSG_EK_ERROR_DUMMY);
return;
case DIVERT_TO_CARD:
finishWithError(LogType.MSG_EK_ERROR_DIVERT);
break;
}
mSaveKeyringParcel = new SaveKeyringParcel(masterKeyId, keyRing.getFingerprint());
mPrimaryUserId = keyRing.getPrimaryUserIdWithFallback();
} catch (PgpKeyNotFoundException | NotFoundException e) {
finishWithError(LogType.MSG_EK_ERROR_NOT_FOUND);
return;
}
try {
mCurrentPassphrase = PassphraseCacheService.getCachedPassphrase(getActivity(),
mSaveKeyringParcel.mMasterKeyId, mSaveKeyringParcel.mMasterKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
finishWithError(LogType.MSG_EK_ERROR_NOT_FOUND);
return;
}
if (mCurrentPassphrase == null) {
Intent intent = new Intent(getActivity(), PassphraseDialogActivity.class);
intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, mSaveKeyringParcel.mMasterKeyId);
startActivityForResult(intent, REQUEST_CODE_PASSPHRASE);
} else {
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, EditKeyFragment.this);
getLoaderManager().initLoader(LOADER_ID_SUBKEYS, null, EditKeyFragment.this);
}
mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, mSaveKeyringParcel);
mUserIdsList.setAdapter(mUserIdsAdapter);
// TODO: SaveParcel from savedInstance?!
mUserIdsAddedAdapter = new UserIdsAddedAdapter(getActivity(), mSaveKeyringParcel.mAddUserIds, false);
mUserIdsAddedList.setAdapter(mUserIdsAddedAdapter);
mSubkeysAdapter = new SubkeysAdapter(getActivity(), null, 0, mSaveKeyringParcel);
mSubkeysList.setAdapter(mSubkeysAdapter);
mSubkeysAddedAdapter = new SubkeysAddedAdapter(getActivity(), mSaveKeyringParcel.mAddSubKeys, false);
mSubkeysAddedList.setAdapter(mSubkeysAddedAdapter);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CODE_PASSPHRASE: {
if (resultCode == Activity.RESULT_OK && data != null) {
mCurrentPassphrase = data.getParcelableExtra(PassphraseDialogActivity.MESSAGE_DATA_PASSPHRASE);
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, EditKeyFragment.this);
getLoaderManager().initLoader(LOADER_ID_SUBKEYS, null, EditKeyFragment.this);
} else {
getActivity().finish();
}
return;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
private void initView() {
mChangePassphrase.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changePassphrase();
}
});
mAddUserId.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addUserId();
}
});
mAddSubkey.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
addSubkey();
}
});
mSubkeysList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
editSubkey(position);
}
});
mUserIdsList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
editUserId(position);
}
});
}
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
setContentShown(false);
switch (id) {
case LOADER_ID_USER_IDS: {
Uri baseUri = UserPackets.buildUserIdsUri(mDataUri);
return new CursorLoader(getActivity(), baseUri,
UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
}
case LOADER_ID_SUBKEYS: {
Uri baseUri = KeychainContract.Keys.buildKeysUri(mDataUri);
return new CursorLoader(getActivity(), baseUri,
SubkeysAdapter.SUBKEYS_PROJECTION, null, null, null);
}
default:
return null;
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(data);
break;
case LOADER_ID_SUBKEYS:
mSubkeysAdapter.swapCursor(data);
break;
}
setContentShown(true);
}
/**
* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
* We need to make sure we are no longer using it.
*/
public void onLoaderReset(Loader<Cursor> loader) {
switch (loader.getId()) {
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(null);
break;
case LOADER_ID_SUBKEYS:
mSubkeysAdapter.swapCursor(null);
break;
}
}
private void changePassphrase() {
// Intent passIntent = new Intent(getActivity(), PassphraseWizardActivity.class);
// passIntent.setAction(PassphraseWizardActivity.CREATE_METHOD);
// startActivityForResult(passIntent, 12);
// Message is received after passphrase is cached
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) {
Bundle data = message.getData();
// cache new returned passphrase!
mSaveKeyringParcel.mNewUnlock = new ChangeUnlockParcel(
(Passphrase) data.getParcelable(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE),
null
);
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
SetPassphraseDialogFragment setPassphraseDialog = SetPassphraseDialogFragment.newInstance(
messenger, mCurrentPassphrase, R.string.title_change_passphrase);
setPassphraseDialog.show(getActivity().getSupportFragmentManager(), "setPassphraseDialog");
}
private void editUserId(final int position) {
final String userId = mUserIdsAdapter.getUserId(position);
final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
final boolean isRevokedPending = mUserIdsAdapter.getIsRevokedPending(position);
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case EditUserIdDialogFragment.MESSAGE_CHANGE_PRIMARY_USER_ID:
// toggle
if (mSaveKeyringParcel.mChangePrimaryUserId != null
&& mSaveKeyringParcel.mChangePrimaryUserId.equals(userId)) {
mSaveKeyringParcel.mChangePrimaryUserId = null;
} else {
mSaveKeyringParcel.mChangePrimaryUserId = userId;
}
break;
case EditUserIdDialogFragment.MESSAGE_REVOKE:
// toggle
if (mSaveKeyringParcel.mRevokeUserIds.contains(userId)) {
mSaveKeyringParcel.mRevokeUserIds.remove(userId);
} else {
mSaveKeyringParcel.mRevokeUserIds.add(userId);
// not possible to revoke and change to primary user id
if (mSaveKeyringParcel.mChangePrimaryUserId != null
&& mSaveKeyringParcel.mChangePrimaryUserId.equals(userId)) {
mSaveKeyringParcel.mChangePrimaryUserId = null;
}
}
break;
}
getLoaderManager().getLoader(LOADER_ID_USER_IDS).forceLoad();
}
};
// Create a new Messenger for the communication back
final Messenger messenger = new Messenger(returnHandler);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
EditUserIdDialogFragment dialogFragment =
EditUserIdDialogFragment.newInstance(messenger, isRevoked, isRevokedPending);
dialogFragment.show(getActivity().getSupportFragmentManager(), "editUserIdDialog");
}
});
}
private void editSubkey(final int position) {
final long keyId = mSubkeysAdapter.getKeyId(position);
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case EditSubkeyDialogFragment.MESSAGE_CHANGE_EXPIRY:
editSubkeyExpiry(position);
break;
case EditSubkeyDialogFragment.MESSAGE_REVOKE:
// toggle
if (mSaveKeyringParcel.mRevokeSubKeys.contains(keyId)) {
mSaveKeyringParcel.mRevokeSubKeys.remove(keyId);
} else {
mSaveKeyringParcel.mRevokeSubKeys.add(keyId);
}
break;
case EditSubkeyDialogFragment.MESSAGE_STRIP:
SubkeyChange change = mSaveKeyringParcel.getSubkeyChange(keyId);
if (change == null) {
mSaveKeyringParcel.mChangeSubKeys.add(new SubkeyChange(keyId, true, null));
break;
}
// toggle
change.mDummyStrip = !change.mDummyStrip;
break;
}
getLoaderManager().getLoader(LOADER_ID_SUBKEYS).forceLoad();
}
};
// Create a new Messenger for the communication back
final Messenger messenger = new Messenger(returnHandler);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
EditSubkeyDialogFragment dialogFragment =
EditSubkeyDialogFragment.newInstance(messenger);
dialogFragment.show(getActivity().getSupportFragmentManager(), "editSubkeyDialog");
}
});
}
private void editSubkeyExpiry(final int position) {
final long keyId = mSubkeysAdapter.getKeyId(position);
final Long creationDate = mSubkeysAdapter.getCreationDate(position);
final Long expiryDate = mSubkeysAdapter.getExpiryDate(position);
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case EditSubkeyExpiryDialogFragment.MESSAGE_NEW_EXPIRY:
mSaveKeyringParcel.getOrCreateSubkeyChange(keyId).mExpiry =
(Long) message.getData().getSerializable(
EditSubkeyExpiryDialogFragment.MESSAGE_DATA_EXPIRY);
break;
}
getLoaderManager().getLoader(LOADER_ID_SUBKEYS).forceLoad();
}
};
// Create a new Messenger for the communication back
final Messenger messenger = new Messenger(returnHandler);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
EditSubkeyExpiryDialogFragment dialogFragment =
EditSubkeyExpiryDialogFragment.newInstance(messenger, creationDate, expiryDate);
dialogFragment.show(getActivity().getSupportFragmentManager(), "editSubkeyExpiryDialog");
}
});
}
private void addUserId() {
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) {
Bundle data = message.getData();
// add new user id
mUserIdsAddedAdapter.add(data
.getString(AddUserIdDialogFragment.MESSAGE_DATA_USER_ID));
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
// pre-fill out primary name
String predefinedName = KeyRing.splitUserId(mPrimaryUserId).name;
AddUserIdDialogFragment addUserIdDialog = AddUserIdDialogFragment.newInstance(messenger,
predefinedName);
addUserIdDialog.show(getActivity().getSupportFragmentManager(), "addUserIdDialog");
}
private void addSubkey() {
boolean willBeMasterKey;
if (mSubkeysAdapter != null) {
willBeMasterKey = mSubkeysAdapter.getCount() == 0 && mSubkeysAddedAdapter.getCount() == 0;
} else {
willBeMasterKey = mSubkeysAddedAdapter.getCount() == 0;
}
AddSubkeyDialogFragment addSubkeyDialogFragment =
AddSubkeyDialogFragment.newInstance(willBeMasterKey);
addSubkeyDialogFragment
.setOnAlgorithmSelectedListener(
new AddSubkeyDialogFragment.OnAlgorithmSelectedListener() {
@Override
public void onAlgorithmSelected(SaveKeyringParcel.SubkeyAdd newSubkey) {
mSubkeysAddedAdapter.add(newSubkey);
}
}
);
addSubkeyDialogFragment.show(getActivity().getSupportFragmentManager(), "addSubkeyDialog");
}
private void returnKeyringParcel() {
if (mSaveKeyringParcel.mAddUserIds.size() == 0) {
Notify.create(getActivity(), R.string.edit_key_error_add_identity, Notify.Style.ERROR).show();
return;
}
if (mSaveKeyringParcel.mAddSubKeys.size() == 0) {
Notify.create(getActivity(), R.string.edit_key_error_add_subkey, Notify.Style.ERROR).show();
return;
}
// use first user id as primary
mSaveKeyringParcel.mChangePrimaryUserId = mSaveKeyringParcel.mAddUserIds.get(0);
Intent returnIntent = new Intent();
returnIntent.putExtra(EditKeyActivity.EXTRA_SAVE_KEYRING_PARCEL, mSaveKeyringParcel);
getActivity().setResult(Activity.RESULT_OK, returnIntent);
getActivity().finish();
}
private void saveInDatabase(Passphrase passphrase) {
Log.d(Constants.TAG, "mSaveKeyringParcel:\n" + mSaveKeyringParcel.toString());
ServiceProgressHandler saveHandler = new ServiceProgressHandler(
getActivity(),
getString(R.string.progress_saving),
ProgressDialog.STYLE_HORIZONTAL,
true,
ProgressDialogFragment.ServiceType.KEYCHAIN_INTENT) {
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
// get returned data bundle
Bundle returnData = message.getData();
if (returnData == null) {
return;
}
final OperationResult result =
returnData.getParcelable(OperationResult.EXTRA_RESULT);
if (result == null) {
return;
}
// if bad -> display here!
if (!result.success()) {
result.createNotify(getActivity()).show();
return;
}
// if good -> finish, return result to showkey and display there!
Intent intent = new Intent();
intent.putExtra(OperationResult.EXTRA_RESULT, result);
getActivity().setResult(EditKeyActivity.RESULT_OK, intent);
getActivity().finish();
}
}
};
// Send all information needed to service to import key in other thread
Intent intent = new Intent(getActivity(), KeychainIntentService.class);
intent.setAction(KeychainIntentService.ACTION_EDIT_KEYRING);
// fill values for this action
Bundle data = new Bundle();
data.putParcelable(KeychainIntentService.EDIT_KEYRING_PASSPHRASE, passphrase);
data.putParcelable(KeychainIntentService.EDIT_KEYRING_PARCEL, mSaveKeyringParcel);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(getActivity());
// start service with intent
getActivity().startService(intent);
}
/**
* Closes this activity, returning a result parcel with a single error log entry.
*/
void finishWithError(LogType reason) {
// Prepare an intent with an EXTRA_RESULT
Intent intent = new Intent();
intent.putExtra(OperationResult.EXTRA_RESULT,
new SingletonResult(SingletonResult.RESULT_ERROR, reason));
// Finish with result
getActivity().setResult(EditKeyActivity.RESULT_OK, intent);
getActivity().finish();
}
}